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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 860 · 40 questions
TalentJR

Engineer's tip (What is in the middle?): Find the fulcrum, the load and the effort. Put them in order along the bar and look at the middle one. Fulcrum middle → class 1 · load middle → class 2 · effort middle → class 3.

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  1. 1.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  3. 3.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  5. 5.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  8. 8.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the load (d) the fulcrum
  9. 9.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  11. 11.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  14. 14.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  15. 15.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  17. 17.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the fulcrum (d) the effort
  21. 21.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  22. 22.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  23. 23.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the effort (d) the axle
  25. 25.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  27. 27.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  28. 28.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  31. 31.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) near the fulcrum (d) far from the fulcrum
  37. 37.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  40. 40.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1

Answer key

  1. True
  2. class 2
  3. class 2
  4. class 1
  5. True
  6. class 3
  7. class 3
  8. the load
  9. True
  10. class 2
  11. False
  12. class 2
  13. class 3
  14. False
  15. class 1
  16. class 2
  17. False
  18. class 3
  19. class 1
  20. the fulcrum
  21. class 1
  22. class 2
  23. True
  24. the fulcrum
  25. class 3
  26. the effort
  27. class 3
  28. True
  29. class 2
  30. class 1
  31. False
  32. class 2
  33. class 2
  34. class 2
  35. class 1
  36. far from the fulcrum
  37. True
  38. class 1
  39. class 3
  40. class 3

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